Maciej Katarzynski

Full Stack PHP / Laravel Developer


  • 2017 - NOW

    PHP, Laravel, Go, MySQL, MongoDB, AWS, Git is an affiliate tracking platform, designed in SaaS model. It allows merchants to create and manage their own partner/affiliate programs.

  • 2016 - 2017

    PHP, ZEND, MySQL, Git, HTML, CSS, JS, jQuery

    Unister Gmbh is German price comparison website. System was helping users to find not only products in shops but also services like energy, gas, phone.

  • 2015 - 2016

    CaseHub Ltd.

    CaseHub Ltd.

    CaseHub builds big group legal battles online and is pooling together a community of people who want to ‘fight back’ (and see English justice put to proper use). However, behind the scenes we are building a novel asset class which yield very high returns (each person joining the case gives away a pc of their payout). The nice thing is that all interests are aligned: by aggregating together claims that otherwise would never get to court, we provide ‘access to justice’ for the little guy, and unlock a lot of money.

  • 2014 - 2016

    PHP, MySQL, Laravel, Redis, Memcached, TokuDb, Html5 / css/ js / jquery / ajax , Big Data, Linux (Debian), Apache

    Adbrowser is performance Ad server (as SaaS model), responsible for displaying exact targeted ads on partner websites. Also can be managed as an affiliate tracking tool. System had couple optimisation engines to increase both advertiser and publisher revenue from ad network, and some extra features like heatmaps of each partner website. The main idea of the system was to give only Admin panel + API to let users integrate system with theirs as only they wish to, so it could became: ad network, ad management plugin for cms, affiliate program engine

  • 2013-2016 is a simple display advertising network available mostly for website owners to pull ads from our network and integrating them on publishers website. Adview pro is integrated with 2 payment systems: Paymentwall and also with Bitcoin to let anyone across the world to buy ad or sell traffic. System is build with lightweight reporting systems and user friendly and intuitive user-panel. At best days of this network it was able to handle over 2mln connections / day

  • 2015

    Consultancy, PHP, MySQL, Amazon S3, Html5 / css/ js / jquery / ajax

    Ovufriend sp z o. o.

    Both of those projects are targetted to women that want to get pregnant (Ovufriend), or are already pregnant (BellyBestFriend). System helps and leads women through whole process, and by it's calculations and calendars helps inform when baby can be born or when is the best day to try to get pregnant. Both websites got also Social Network features such as forum and public diaries.

  • 2012-2013

    PHP, MySQL, Html5 / css/ js / jquery / ajax , Firebird


    Polish web development company. Working on various projects, starting from simple websites to product management software.

  • 2012

    PHP, MySQL, Html5 / css/ js / jquery / ajax , Firebird

    Empathy Internet Software House

    Polish software house focused on creating ecommerce websites for main Polish brands like TopSecred, Nomi, Es-System.

  • 2012

    PHP, MySQL,CSS,HTML, documentation writing, Consultancy

    Dotpay S.A is one of the leading polish payment systems. It integrates with various diffrent type of websites allowing it's users to pay by wire transfer or by SMS.

  • 2009 - 2016

    PHP, Laravel, OctoberCMS, Kohana, MySQL, Memcached, Html5 / css/ js / jquery / ajax , Linux (Debian), Apache,

    Freelance WebLemon

    Working for various companies and projects, for example creating promotional websites for Mastercard and Carrefour.
    Creating Facebooks apps, shops, movie streaming websites, consultancy and other.






HTML / jQuery / CSS



Projects worked on

About me


I'm a full stack developer with experience in software development for client side apps and server applications. Mostly programming in PHP with LAMP stack, but I'm not affraid of scraping some services in Go lang. Feeling comfortable working for startups or any other industry.

I'm based in Poland, looking for remote jobs but I can travel if needed.


My personal goal is to explain my grandmother what I am doing for a living :)

I'm Available for work

Hire me

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